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You have a circular field of radius 1 surrounded with fence.

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  3. You have a circular field of radius 1 surrounded with fence.
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Anonymous
2017-08-02 02:34:04 Post No. 9080206
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Anonymous 2017-08-02 02:34:04 Post No. 9080206 [Report]
You have a circular field of radius 1 surrounded with fence. You have a cow and rope. How long does the rope need to be so the cow can eat grass only on a half of surface of the field if one end of the rope is attached to a cow and the other end on the fence?
>>
Anonymous 2017-08-02 03:50:25 Post No.9080301
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Anonymous 2017-08-02 03:50:25 Post No.9080301 [Report]
>>9080206
Make the rope 1/cos(a) long where a is the angle it makes with the radial line.
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